Organizational Behaviour: Group Dynamics and Decision-Making

Group Development

Process groups undergo from formation to dissolution.

Stage Model

Framework outlining phases of group development.

Punctuated Equilibrium Model

Group development influenced by deadlines and transitions.

Midpoint Transition

Critical point where group must advance.

Additive Task

Group performance equals sum of individual contributions.

Conjunctive Task

Group performance limited by weakest member's ability.

Disjunctive Task

Group performance determined by strongest member's ability.

Process Losses

Performance difficulties in larger groups due to coordination.

Diversity of Group Membership

Varied backgrounds affecting group dynamics and performance.

Group Norms

Expectations regarding behavior within a group.

Role Ambiguity

Uncertainty about expected behaviors in a role.

Role Conflict

Incompatibility between different role expectations.

Group Cohesiveness

Attractiveness of a group to its members.

Social Loafing

Reduced effort by individuals in group tasks.

Team Definition

Group with shared commitment and synergy.

Collective Efficacy

Shared belief in a team's ability to succeed.

Team Reflexivity

Teams' ability to reflect and adapt on performance.

Decision Quality

Effectiveness of outcomes from group decision-making.

Groupthink

Poor decision-making due to group conformity pressures.

Risky Shift

Groups tend to make riskier decisions collectively.

Conservative Shift

Groups tend to make less risky decisions collectively.

Factors Increasing Cohesiveness

Size, initiation toughness, competition, success, diversity.

Consequences of Cohesiveness

Increased participation, conformity, and overall success.